Security advisory

{
  "id": "079483f5c11fcbf1d71a808bb35900e9c073e1612852d971d29a2b884addcd58",
  "url": "https://osv.dev/vulnerability/CVE-2020-11611",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-11611",
    "summary": "An issue was discovered in xdLocalStorage through 2.0.5. The buildMessage() function in xdLocalStorage.js specifies the wildcard (*) as the targetOrigin when calling the postMessage() function on the iframe object. Therefore any domain that is currently loaded within the iframe can receive the messages that the client sends.",
    "evidence": "osv:CVE-2020-11611",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-11611",
      "aliases": [
        "CVE-2020-11611",
        "GHSA-c6c4-jmqx-3r33"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ofirdagan/cross-domain-local-storage",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "9c01ec482e063f6dabbca52d4dcf77adf85c2eee"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:cross_domain_local_storage_project:cross_domain_local_storage:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.0.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0.5",
            "2.0.4",
            "2.0.3",
            "2.0.2",
            "2.0.1",
            "2.0.0",
            "1.0.12",
            "1.0.11",
            "1.0.10",
            "1.0.9",
            "1.0.8",
            "1.0.7",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11611.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:45.772402639Z",
      "provider": "osv",
      "references": [
        "https://github.com/ofirdagan/cross-domain-local-storage",
        "https://grimhacker.com/exploiting-xdlocalstorage-localstorage-and-postmessage/#Missing-TargetOrigin-Client"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-11611",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382885,
  "published_at": "2020-04-07T18:15:13.633+00:00"
}